ふたりごと

Recording by TRUE.

Recording identifiers

ISRC
JPI101703001
CopyrightID (CopyrightChains transaction hash)
0x60ed53dce124fa89d9c5a66032bec041e499c0fc86dfa00522f5d5d2cb95ebea
Copyright registration time
2026-06-05T15:56:33+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:ae0d4ac25e39f36de60aa09cca303593bdd142f42df60cc6c96334391e4ea669

What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.

CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.

Read the complete pre-generative-AI provenance and verification method.